package com.huangliusong.desigin.principle.dependenceinversion;

/**
 * @author huangliusong
 * @since 2018/10/8
 * {@link }
 */
public class Test {
    public static void main(String[] args) {
        Hls hls=new Hls() ;
        hls.setiCourse(new JavaCourse());
        hls.studyHlsCourse();

    }
}
